23553868 has 18 divisors (see below), whose sum is σ = 44635164. Its totient is φ = 10870704.

The previous prime is 23553853. The next prime is 23553877. The reversal of 23553868 is 86835532.

It is a happy number.

It is a super-2 number, since 2×23553868² = 1109569395522848, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 23553868.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 16746 + ... + 18097.

Almost surely, 2^23553868 is an apocalyptic number.

It is an amenable number.

23553868 is a deficient number, since it is larger than the sum of its proper divisors (21081296).

23553868 is a wasteful number, since it uses less digits than its factorization.

23553868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34873 (or 34858 counting only the distinct ones).

The product of its digits is 172800, while the sum is 40.

The square root of 23553868 is about 4853.2327370527. The cubic root of 23553868 is about 286.6514077570.

The spelling of 23553868 in words is "twenty-three million, five hundred fifty-three thousand, eight hundred sixty-eight".